Inert 40 mm projectile of the L/70 Bofors Flak. Inert Ordnance, absolutely free of hazardous substances.
The projectiles were chemically cleaned from rust and repainted, there are still partially traces of rust.

The 40 mm cannon developed by the Swedish company Bofors are very popular since the 1920s, because of
their high muzzle energy and rate of fire. Even today, the 40 mm Bofors guns are in use on some ships
of the German Navy .